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 A222924 T(n,k)=Number of nXk 0..4 arrays with no three equal values in a row horizontally or vertically, and new values 0..4 introduced in row major order 6
 1, 2, 2, 4, 15, 4, 12, 174, 174, 12, 41, 3183, 13571, 3183, 41, 158, 68076, 1396408, 1396408, 68076, 158, 663, 1543538, 149478882, 700411548, 149478882, 1543538, 663, 2944, 35663142, 16132176644, 352790675074, 352790675074, 16132176644 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Table starts .....1...........2...............4................12..................41 .....2..........15.............174..............3183...............68076 .....4.........174...........13571...........1396408...........149478882 ....12........3183.........1396408.........700411548........352790675074 ....41.......68076.......149478882......352790675074.....829048065675262 ...158.....1543538.....16132176644...177991922235005.1950399182366908036 ...663....35663142...1743046774975.89795579488204082 ..2944...829049736.188375987615301 .13537.19310392822 .63551 LINKS R. H. Hardin, Table of n, a(n) for n = 1..60 EXAMPLE Some solutions for n=3 k=4 ..0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0 ..1..2..0..1....2..0..3..2....2..1..3..0....2..1..2..2....2..2..0..1 ..2..2..3..3....1..3..4..0....3..1..3..3....0..2..2..3....0..3..4..2 CROSSREFS Sequence in context: A204685 A205161 A205310 * A268423 A261531 A153968 Adjacent sequences: A222921 A222922 A222923 * A222925 A222926 A222927 KEYWORD nonn,tabl AUTHOR R. H. Hardin Mar 09 2013 STATUS approved

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Last modified July 24 10:37 EDT 2024. Contains 374583 sequences. (Running on oeis4.)